Metal Nanoparticles
-
Metal Nanoparticles 関連製品 (47)
- Fe3O4 nanorods
-
loading...loading...
-
-
Pt nanoparticles
0 Images製品番号: HY-184616Nanomaterials with sizes ranging from 1 to 100 nm are generally referred to as nanocrystals. The preparation of platinum nanocrystals with controllable morphology was first reported in 1996. Pt, Ag, Au, Rh, and other nanocrystals have been synthesized using various methods. Platinum has a face-centered cubic (fcc) structure, but unlike Ag, Au, and Pd, it rarely forms twins; most platinum nanocrystals are single-crystal structures. XFJ116 platinum nanoparticles were prepared via a chemical reduction method, exhibiting uniform size and good dispersibility, and can also provide platinum nanoparticles with amino and carboxyl terminator modifications. -
loading...loading...
-
-
Titanium dioxide magnetic beads
0 Images製品番号: HY-184642Titanium dioxide magnetic beads are magnetic microparticle carriers whose surface is coated with titanium dioxide nanoparticles. This material is commonly used in protein digests of biological samples for the simple, convenient, efficient, highly specific, and reproducible enrichment of phosphorylated peptides. The surface properties of titanium dioxide magnetic beads make them show no significant preference for monophosphorylated or polyphosphorylated peptides, making them ideal for single-step enrichment of phosphorylated peptides in mass spectrometry-based proteomics analysis. -
loading...loading...
-
-
BSA-Au nanoclusters
0 Images製品番号: HY-184603Bovine serum albumin-modified gold nanoclusters (BSA-Au NCs) are nanomaterials combining gold nanoclusters and bovine serum albumin (BSA). Composed of several to dozens of gold atoms forming the core of the gold nanoclusters, BSA acts as a protective ligand, coating the surface of the gold nanoclusters. BSA-Au NCs are widely used due to their high luminescence properties and stability over a wide pH range. When Au(III) ions are introduced into a BSA solution, BSA acts as a scaffold protein, isolating and capturing Au ions, similar to the biomineralization behavior of inorganic ions in organisms in nature. The captured Au ions are then reduced in situ by BSA to form Au NCs. The synthesized Au NCs consist of 25-Au atoms and are stable in BSA as BSA-Au NCs, exhibiting strong red fluorescence. BSA-Au NCs possess good biocompatibility and their surface is easily modified or functionalized, making them attractive for many biomedical applications. -
loading...loading...
-
-
Carboxymethyldextran modified Fe3O4 nanoparticles
0 Images製品番号: HY-184631Carboxymethyl dextran-modified iron(III) oxide nanoparticles are composite materials in which carboxymethyl dextran (CMD) is introduced onto the surface of iron(III) oxide (Fe3O4) nanoparticles through chemical modification. Carboxymethyl dextran is a water-soluble polysaccharide; its hydrophilicity and biocompatibility are enhanced by converting the hydroxyl groups of the dextran into carboxymethyl groups (-COOH). -
loading...loading...
-
-
Sodium citrate modified Pd nanoparticles
0 Images製品番号: HY-184618Due to their unique physical and chemical properties, noble metal nanoparticles, represented by platinum, gold, silver, and palladium, have been extensively studied by many scientists. Palladium is a noble metal belonging to the platinum group elements. Its elemental form is a silvery-white transition metal, soft in texture and possessing good ductility and malleability. Palladium nanoparticles, due to their unique physical, chemical, and electronic properties, have shown remarkable application potential in multiple fields. Surface modification of palladium nanoparticles with sodium citrate can significantly improve their dispersibility, stability, and biocompatibility, and facilitate further coupling with other biomolecules or fluorescent molecules. -
loading...loading...
-
-
Sulfhydryl Coated Fe3O4 Nanoparticles
0 Images製品番号: HY-184626Thiol-modified magnetite nanoparticles are prepared via high-temperature pyrolysis and surface-modified with thiol functional groups. Magnetite is widely used in magnetic resonance imaging, magnetic separation, targeted drug delivery, tumor hyperthermia, cell labeling and separation, as a contrast agent, and in retinal detachment repair surgery due to its stable properties, good biocompatibility, high strength, and lack of toxicity. It is also used as a catalyst carrier, microwave absorbing material, and magnetic recording material. Xianfeng has developed numerous derivatives of magnetite, including oleic acid-modified magnetite, magnetite with different PEG ends, DMSA-modified magnetite, polylysine-modified magnetite, carboxylated dextran-modified magnetite nanoparticles, streptavidin-modified magnetite particles, thiol-modified magnetite magnetic nanoparticles, and polyethyleneimine (PEI)-modified magnetic magnetite nanoparticles, among others. -
loading...loading...
-
-
Hollow mesoporous Fe3O4 nanoparticles
0 Images製品番号: HY-184633Hollow mesoporous iron oxide nanoparticles are a type of nanomaterial with a special structure that combines hollow structure with mesoporous (mesoporous refers to pores with a diameter between 2 and 50 nanometers) characteristics. They are mainly composed of iron oxide (Fe3O4) with a hollow center. This structure can increase the specific surface area of the material while reducing its weight, thereby improving its application efficiency in fields such as catalysis and drug delivery. -
loading...loading...
-
-
Carboxylated dextran coated Fe3O4 nanoparticles
0 Images製品番号: HY-184627The core material of carboxylated dextran-modified iron oxide nanoparticles is iron oxide (Fe3O4), which possesses superparamagnetic properties, making it suitable for applications requiring magnetic field response. The surface is coated with carboxylated dextran, a modification that increases the nanoparticles' water solubility and biocompatibility, while also providing carboxyl functional groups, facilitating further chemical modification and biomolecular coupling. -
loading...loading...
-
-
Mesoporous polydopamine nanoparticles
0 Images製品番号: HY-184612Mesoporous polydopamine nanoparticles are mesoporous nanomaterials formed by the self-polymerization of dopamine hydrochloride under alkaline conditions. Their main component is the dopamine polymer, a biomacromolecule exhibiting good adhesion and reducing properties, demonstrating excellent biocompatibility and bio-interaction capabilities. -
loading...loading...
-
-
PEG2000 Fe3O4 Carboxyl end
0 Images製品番号: HY-184622PEGylated iron oxide nanoparticles (carboxyl-terminated) (10-50 nm) are prepared by high-temperature pyrolysis and then modified with PEG-carboxyl-terminated iron oxide. This modification transforms the nanoparticles from an oil phase to an aqueous phase, thus broadening their applications in the biological field. The iron oxide used in the 100 nm nanoparticles is prepared by a solvothermal method. -
loading...loading...
-
-
Iron nanoclusters
0 Images製品番号: HY-184607Nanoclusters are essentially ultrasmall nanomaterials, typically with diameters between 1 and 10 nm, composed of a specific number of metal atoms (approximately 10 to several hundred) and ligands. This structure places their size between that of small molecules and traditional nanoparticles, exhibiting quantum effects. When the size of the metal core approaches the Fermi wavelength of electrons, its band structure transitions from a continuous state to discrete energy levels, thus exhibiting molecular-like properties such as single-electron transitions, multiple absorption bands, and strong photoluminescence. Iron nanoclusters (FeNCs) are a class of ultrasmall fluorescent nanomaterials composed of several to tens of iron atoms. Synthesized using bovine serum albumin (BSA) as a template and protectant via a chemical reduction method, these materials possess excellent optical properties and biocompatibility. Furthermore, they can be functionalized through surface modification, leading to their wide application in fields such as bioanalysis, environmental monitoring, and disease diagnosis. -
loading...loading...
-
-
Poreless polydopamine nanoparticles
0 Images製品番号: HY-184613Polydopamine nanoparticles (PDA NPs) are nanoscale materials formed by the self-polymerization of dopamine monomers under specific conditions. Their structural characteristics include a polyphenolic structure and a surface rich in functional groups such as amino and phenolic hydroxyl groups, which provide abundant chemical modification sites. -
loading...loading...
-
-
PEI coated Fe3O4 nanoparticles
0 Images製品番号: HY-184625Polyethyleneimine (PEI)-modified magnetic iron(III) oxide (Fe3O4) nanoparticles are a composite nanomaterial that combines the properties of magnetic nanoparticles and polyethyleneimine. Polyethyleneimine is a highly branched polymer with a high density of amino groups. These amino groups stabilize the Fe3O4 nanoparticles and provide sites for further functionalization. The amino groups of PEI impart a high surface positive charge to the Fe3O4 nanoparticles, which helps enhance their interaction with negatively charged cell membranes. -
loading...loading...
-
-
CuS nanoparticles
0 Images製品番号: HY-184608CuS nanoparticles are nanomaterials with unique properties. Their structural characteristics endow them with excellent near-infrared light response, facilitating functional applications through surface modification. This material shows potential in the biomedical field, enabling synergistic photothermal and photodynamic therapies in tumor treatment, as well as precise drug delivery. In the energy sector, it is suitable for the development of novel energy storage devices; in the environmental field, it can participate in photocatalytic degradation processes. -
loading...loading...
-
-
DMSA Coated Fe2O3 Nanoparticles
0 Images製品番号: HY-184637DMSA Coated Fe2O3 Nanoparticles (Carboxylated ferric oxide nanoparticles) are magnetic nanomaterials with carboxyl (-COOH) groups modified on their surface. These materials typically consist of ferric oxide (Fe2O3) nanoparticles as a core, with carboxyl functional groups introduced to the surface through chemical modification. The carboxylation of the nanoparticle surface increases its negative surface charge, contributing to improved solubility and stability in water. Carboxylated ferric oxide nanoparticles exhibit good biocompatibility, making them suitable for biomedical applications. -
loading...loading...
-
-
Carboxylated magnetic microspheres (low non-specificity)
0 Images製品番号: HY-184639Carboxylated magnetic microspheres (low nonspecificity) are functionalized nano- or micron-sized magnetic particles with abundant carboxyl functional groups on their surface. Special chemical treatments reduce the likelihood of nonspecific adsorption. This 1μm carboxylated magnetic microsphere features a core-shell structure: a PS core, an outer layer of iron oxide (Fe3O4), and an outermost encapsulation layer. The carboxyl groups are obtained through polymer modification. Exhibiting low nonspecific adsorption, these microspheres can covalently couple with bioligands such as peptides, proteins, antibodies, and oligonucleotides using specific chemical reagents (e.g., EDC), making them particularly suitable for cell sorting, affinity chromatography, and immunoassay. -
loading...loading...
-
-
OA Coated Fe3O4 Nanoparticles
0 Images製品番号: HY-184634OA Coated Fe3O4 Nanoparticles (Oleic acid-modified iron(III) oxide nanoparticles) were prepared using a high-temperature pyrolysis method. Oleic acid was added as a surfactant to a solution containing an iron precursor. Oleic acid not only helps control the growth of nanoparticles but also forms a stable coating on the particle surface. The solution containing the iron precursor and oleic acid was heated to a high temperature, typically around 300°C, to promote the thermal decomposition of the iron precursor. At high temperatures, the iron precursor decomposes to produce iron atoms, which aggregate to form magnetic nanoparticles. During pyrolysis, the iron nanoparticles react with oxygen in the air to form iron(III) oxide (Fe3O4). -
loading...loading...
-
- Ultra small magnetic Fe3O4 nanoparticles
-
loading...loading...
-
-
Fluorescent silver nanoclusters modified with lipoic acid
0 Images製品番号: HY-184604Silver nanoclusters (AgNCs) are ultrasmall nanoparticles composed of several to tens of silver atoms. Their size is close to the Fermi wavelength of electrons, thus exhibiting unique molecular-like properties, such as strong fluorescence. Silver nanoclusters possess small size, low toxicity, excellent photostability, large Stokes shift, and good biocompatibility. Lipoic acid (also known as octylsulfonic acid) acts as a ligand in the synthesis of silver nanoclusters, primarily playing a role in stabilizing and protecting the silver nanoclusters. The ligand binds to silver atoms through its specific chemical structure, forming a stable nanocluster structure and influencing the physicochemical properties of the clusters, such as fluorescence performance, catalytic activity, and biocompatibility. This demonstrates potential application value in various fields such as chemical analysis, biosensing, catalysis, medicine, and bioimaging. -
loading...loading...
-
